20651850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{45893}}^1$

素因数の和:45911

約数の個数: 36

約数和(自身を含む): 55485846

約数和(自身を除く): 34833996

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 45893, 91786, 137679, 229465, 275358, 413037, 458930, 688395, 826074, 1147325, 1376790, 2065185, 2294650, 3441975, 4130370, 6883950, 10325925, 20651850]

約数ペア:

[(1, 20651850), (2, 10325925), (3, 6883950), (5, 4130370), (6, 3441975), (9, 2294650), (10, 2065185), (15, 1376790), (18, 1147325), (25, 826074), (30, 688395), (45, 458930), (50, 413037), (75, 275358), (90, 229465), (150, 137679), (225, 91786), (450, 45893)]